Browse Publications Technical Papers 2002-01-3319
2002-12-02

The Effect of Nanoparticle Additions on the Heat Capacity of Common Coolants 2002-01-3319

Recent developments in materials science related to nano-technology have led to the creation and investigation of a new group of potential coolants known as nanofluids. These suspensions have been shown to have improved heat transfer capabilities over fluids without nanoparticles. The application of such fluids in motor racing shows potential for improvements in engine thermal management and aerodynamics. This study investigates the effect of additions of nanoparticles on the heat capacity of water using Differential Scanning Calorimetry (DSC). Fluids incorporating a variety of nanoparticles, of varying size and volume fraction, are investigated. It is shown that the volumetric heat capacity of water is only slightly affected by the addition of nanoparticles. The similarity in volumetric heat capacities, coupled with proven increased thermal conductivity of nanofluids, yields fluids with high thermal diffusivities that respond more quickly to changes in thermal environment.

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